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Oval|Lab Grown|IGI

1.51ct D SI2 Oval Lab Grown Diamond

ID • D/SI2 • IGI LG488132236

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG488132236

Diamond specifications and retailer prices

From HK$2,586 HKD
As of November 1, 2026
Save HK$6,583 HKD (72%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: HK$9,170 HKD at Brilliant Earth · As of November 6, 2026
View at Brilliant Earth

About this 1.51ct lab-grown oval diamond

This 1.51ct lab-grown oval sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG488132236 or 488132236. Listed at 16 retailers as of November 1, 2026, with prices from HK$2,586 to HK$9,170, a HK$6,583 spread on the same certified stone. Brilliant Earth lists it at HK$9,170. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.51
Carat
D
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG488132236
Dimensions8.92 × 6.36 × 4.15 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
8.92 mm6.36 mm1.51 ctD / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG488132236
Side View
Table 59.5%Crown 35.3°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 65.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: HK$9,170 HKD|Low: HK$1,865 HKD|High: HK$13,088 HKD|Avg: HK$5,168 HKD|-29.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 10HK$1,865 HKD
Retailer 6HK$2,586 HKD
Retailer 2HK$3,229 HKD
Retailer 5HK$3,370 HKD
Retailer 3HK$3,378 HKD
Retailer 9HK$4,013 HKD
Retailer 4HK$6,058 HKD
Retailer 8HK$7,328 HKD
Retailer 7HK$8,088 HKD
Brilliant EarthHK$9,170 HKD

43 data points across 10 retailers

16 retailersHK$2,586 HKD to HK$9,170 HKD

Retailer 1
-
HK$1,442 HKD
Price last confirmed 36 days ago
Retailer 2
-
HK$1,560 HKD
View
Price last confirmed 44 days ago
Retailer 3
-
HK$1,810 HKD
View
Price last confirmed 42 days ago
Retailer 4
-
HK$1,865 HKD
View
Price last confirmed 35 days ago
Retailer 5
-
HK$1,912 HKD
View
Price last confirmed 42 days ago
B+
Retailer 6
-
HK$2,586 HKD
View
A
Retailer 7
-
HK$3,229 HKD
View
A
Retailer 8
-
HK$3,370 HKD
View
A
Retailer 9
-
HK$3,378 HKD
View
B+
Retailer 10
-
HK$4,013 HKD
View
B+
Retailer 11
-
HK$4,985 HKD
View
Retailer 12
-
HK$5,988 HKD
View
Price last confirmed 37 days ago
B+
Retailer 13
-
HK$6,058 HKD
View
B
Retailer 14
-
HK$7,328 HKD
View
Retailer 15
-
HK$8,088 HKD
View
Price last confirmed 8 days ago
Most Expensive
B
Brilliant Earth
8639601A · Nov 6
HK$9,170 HKD
$1,170 USD
View
15 more retailers have this diamond
Prices start from HK$2,586 HKDSave up to HK$6,583 HKD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
1.51ct Oval
HK$2,586 HKD